-
Female Reproductive Anatomy
-
Internal
-
Adnexa
-
Ovaries
- Outer surface
- Simple cuboidal epithelium
- Function
- Convert cholesterol into androstenedione and testosterone
- Desmolase
- Regulation
- LH
- Function
- Convert thecal androgens into estrone and estradiol
- Aromatase
- Regulation
- FSH
-
Fallopian tubes
- Simple ciliated columnar epithelium
- Fallopian Tube occlusion
- Ligaments
- Wolffian vestiges
-
Uterus
- Regions
-
Layers
- Endometrium
- Functional layer
- Simple columnar epithelium with long tubular glands in proliferative phase
- Coiled glands in secretory phase
- Basal layer
- Gestational Changes
- Trophoblastic remodeling of spiral arteries
- Failure results in preeclampsia
- Stomal decidualization
- Eosinophilic stromal cytoplasm
- Arteries more prominent
- Hypersecretory changes
- Glandular infolding
- Intracellular vacuoles
- Arias-Stella reaction
- Hobnail cells
- Nuclear atypia
- Hyperchromasia
- Myometrium
- Perimetrium
- Parametrium
- Ligaments
- Uterine glands
-
Vagina
- Vaginal fornix
- Hymen
-
External
-
Vulva
- Labia
- Clitoris
- Urethra
-
Female Reproductive Physiology
-
Endometrial Physiology
-
Proliferative phase of the endometrium
- Early: growth of glands, stoma, and blood vessels in the functionalis layer
- Late: pseudostratification and mitotic figures of the glands
-
Secretory phase of the endometrium
- Early: formation of subnuclear vacuoles
- Middle: vacuoles emptied into gland lumens
- Late: stromal (pre/pseudo)decidualization
-
Menstruation
- Condensed stroma aggregated into "blue balls"; separated from glands
- Neutrophils, necrotic cellls, apoptosis, and hemorrhage appear
-
Effects of exogenous progesterone
- Gland atrophy
- Stromal proliferation/decidualization
- Venous dilation
-
Menstrual cycle
- Menses
-
Early Follicular/Proliferative Phase
- Begins on cycle day 1
-
Key Events
- Follicle maturation
- Recruitment
- Selection
- Dominance
- Estrogen production
- Primary follicles
- Secondary follicle
- Uterine Cycle
-
Hormonal Physiology
- FSH secretion
- Estrogen production
-
Late Follicular/Proliferative Phase
- Begins 1-2 days before ovulation
-
Key Events
- Oocyte meiosis resumption
-
Mature (graafian) follicle
- Granulosa cells
- Aromatase expression
- Ovulation
- Corpus hemorrhagicum
- Uterine Cycle
-
Hormonal Physiology
- Estrogen (>200 pg/mL)
- LH surge via positive feedback
- Androgen production
-
Ovulation
- Most fertile part of the cycle
-
Early Luteal/Secretory Phase
- Begins at ovulation
-
Key Events
- Formation of corpus luteum
- Production of progesterone, inhibin A, and estrogen
- Corpus luteum
- Uterine Cycle
-
Hormonal Physiology
- LH drives corpus luteum formation
- Progesterone production
- Estrogen production
- Inhibin A production
- Inhibition of FSH/LH production
- Late Luteal/Secretory Phase
-
Luteal-Follicular Transition
- Lasts from end of one menstrual cycle to start of the next
-
Key Events
- Degeneration of the corpus luteum
-
Hormonal Physiology
- Progesterone and inhibin A production
- Increased FSH/LH production
-
Clinical Associations
- Early rise in FSH
- Early inhibin decrease leads to early follicle recruitment
- Sign of diminishing ovarian reserve
- Luteal/Secretory Phase (14 days)
- Follicular/Proliferative Phase (variable duration)
- (Cycle days 0-4)
-
Reproductive Development
-
Embryological/Fetal Development
- Mesonephric (Wolffian) duct degenerates
-
Paramesonephric (Mullerian) duct develops
- Fallopian tubes
- Uterus
- Upper portion of vagina
- Failure results in Mullerian agenesis (MRKH syndrome)
-
Pubertal Development
- Normal onset: 8-13 years old
-
Thelarche
- Breast development
- Tanner stage II
-
Growth spurt
- Tanner stage II-III
-
Menarche (age 12)
- Tanner stage IV
-
Adrenarche/pubarche
- Hair growth
- Driven by adrenal glands
- Driven by hypothalamic/pituitary/ovarian axis
- Perimenopause (climacteric)
-
Menopause
-
Average onset: 51 years old
- Usually preceded by 4-5 years of abnormal menstual cycles
- Earlier onset in smokers
-
Hormonal Changes
- Estrogen
- FSH
- due to lack of estrogen
- due to age-linked decline in number of ovarian follicles
- LH
- No surge
- GnRH
-
Libido Changes
- Overall decrease in most women
- No fear of pregnancy
- Vulvovaginal atrophy and lack of sleep
- Postmenopause
-
Menopausal Transition
- Time of menstrual cycle variability preceding final period
-
Oogenesis
-
Oogonium
- Diploid (2N, 2C)
- Replication
(S phase)
-
Primary oocyte
- Diploid (2N, 4C)
-
Arrested in prophase I until ovulation
- Germinal vesicle
-
Meiosis I
-
Polar body
- Can degenerate or give rise to two polar bodies
-
Secondary oocyte
- Haploid (1N, 2C)
- Arrested in metaphase II until fertilization
-
Meiosis II
- Polar body
-
Ovum
- Haploid (1N, 1C)
- 1st Trimester in utero to puberty
-
Developmental Physiology
- Fertilization
- Oocyte activation
- Zygote
-
Cleavage
-
Division of cells in early embryo
- Produces a cluster the same size as the original zygote
- Blastomeres
-
Morula
- 3-4 days post-fertilization
- Early stage embryo consisting of blastomeres in a solid ball
-
Blastocyst
- 5 days post-fertilization
- Early stage embryonic stage following development of fluid-filled cavity in morula
- Outer cell layer/trophoectoderm (trophoblasts)
- Inner cell mass (embryoblasts)
- Blastocyst cavity (blastocoele)
-
Implantation
- 6-10 days post-fertilization
-
Bilaminar disc
- 12 days post-fertilization
-
Trophoblastic derivatives
- Cytotrophoblast
- Syncytiotrophoblast
- Intermediate trophoblast
-
Embryoblast derivatives
- Hypoblast (primitive endoderm)
- Epiblast (primitive ectoderm)
- Gastrulation
-
Trilaminar embryo
- Week 3 post-fertilization
-
Hypoblastic derivatives
- Primitive yolk sac
-
Epiblastic derivatives
- Amniotic cavity
- Primitive germ layers
- Ectoderm
- Mesoderm
- Endoderm
- Neuralation
-
Neurula
- Week 4 post-fertilization
- Somitogenesis
-
Fetus
-
Fetal Circulation
- Umbilical vessels
- Umbilical vein
- Carry oxygen and nutrients to fetus
- Umbilical artery
- Carry oxygen and nutrients away from fetus
-
Gestational physiology
-
Cardiovascular changes
-
Changes in cardivascular physiology
- Heart rate
- Can be dangerous if patient has mitral stenosis
- Stroke volume
- Cardiac output
- Lower than expected in preeclampsia
- due to increased vascular permeability
- Blood pressure
- Progesterone-mediated vasodilation
- Systemic vascular resistance
- Higher than expected in preeclampsia
- due to vasospasm
- Systolic flow murmur
-
Changes in cardiac anatomy
- Upward displacement of heart
-
Renal changes
-
Changes in renal physiology
- GFR
- Renal plasma flow
- Creatinine
- Urinary excretion of glucose and protein
- Na+ and K+ retnetion
- blood volume
-
Changes in kidney anatomy
- size
- blood flow due to increased blood volume
-
Gastrointestinal changes
-
Changes in GI physiology
- GI motility
-
Respiratory changes
-
Changes in respiratory physiology
- Chronically low PaCO2
- CO2 excretion/breath
- Tidal volume
- No change in respiratory rate
- Minute ventilation
-
Hematologic changes
-
Changes in hematologic physiology
- Total RBC volume
- EPO
- Total plasma volume
- RAAS activation
- Hemoglobin
- Hematocrit
- Fibrinogen
- D-dimer
- Increase in plasma volume > increase in RBC volume
-
Liver/Biliary changes
-
Expected Labs
- Alk-phos
-
Metabolic changes
-
Serum cholesterol and triglycerides
- Lipid panels are rarely performed
- Hepatic glucose production
-
Fasting hypoglycemia
- Fetal-placental sink
-
Insulin resistance
- High insulin and post-prandial glucose
-
Thyroid changes
-
Free T4
- Thyroxine-binding globulin (TBG)
- Placental iodinase degrades T4 and T3
-
TSH
- due to hCG stimulation TSH receptor
-
Complications of Pregnancy
- Gestational diabetes
- Striae (stretch marks)
-
Melasma
- Hyperpigmentation (due to estrogen stimulation)
-
Procoagulant state
- Venous stasis (due to hormonal vasodilation)
- Coagulation factors
- Endothelial damage
-
Mild hydronephrosis
- Ureter compression by uterus
- Heartburn
- Constipation
- Gastric fullness
-
Hemorrhoids
- Compression of pelvic vessels by enlarging fetus
- Preeclampsia
-
Parturition
-
Stages of labor
- Onset of contractions
- First stage: latent phase
- Cervix dilated to 4 cm
- First stage: active phase
-
Cervix dilated to 10 cm
- Complete dilation
- Second stage
- Delivery of infant
- Subtopic 8
- Delivery of placenta
-
Cardinal movements of labor
- Engagement
- Descent
- Flexion
- Internal rotation
- Extension
- External rotation
- Explulsion
-
Hormones
-
GnRH
-
GnRH secretion
- Pulsatile release
-
FSH
-
Signal Transduction
- cAMP via Gs-linked GPCR
-
LH
-
Signal Transduction
- cAMP via Gs-linked GPCR
-
Estrogen
-
Structure
- 17beta-Estradiol
- Ovary
- Estriol
- Placenta
- Estrone
- Adipose tissue
- Signal Transduction
-
Function
- Developmental of genitalia and breast
- Growth of follicle
- Endometrial proliferation
- Myometrial excitability
- Regulation of Menstrual Cycle
- Upregluation of estrogen, LH, and progesterone receptors
- Feedback inhibition of FSH and LH
- LH surge
- Stimulation of prolactin secretion
- Transport proteins and SHBG
- Regulation of female fat distribution
- Regulation of lipid metabolism
- HDL
- LDL
-
Progestins
-
Structure
- Progesterone
-
Signal Transduction
- Binds to progesterone receptor
-
Function
- Stimulation ofendometrial glandular secretions and spiral artery development
- Maintenance of pregnancy
- myometrial excitability
- Production of thick cervical mucus
- Body temperature
- Inhibition of gonadotropins (LH, FSH)
- Inhibtion of prolactin
- Uterine smooth muscle relaxation
- Estrogen receptor expression
- Prevention of endometrial hyperplasia
-
hCG
- Syncytiotrophoblast of placenta
-
Structure
- Has identical alpha-subunit as LH, FSH, and TSH
- Has unique beta-subunit
- Pregnancy tests detect beta-subunit
-
Function
- Maintains corpus luteum (and progesterone secretion) for the first 8-10 weeks of pregnancy
- Mimics LH
-
Clinical Associations
- hCG
- Multiple gestations
- Hydatidiform moles
- Choriocarcinomas
- Down syndrome
- Hyperthyroidism
- hCG
- Ectopic/failing pregnancy
- Edward syndrome
- Patau syndrome
-
Clinical OBGYN
-
Signs and Symptoms
-
Menorrhagia and/or metrorrhagia
-
Etiologies
- Structural
- Polyps
- Adenomyosis
- Leiomyoma
- Malignancy/hyperplasia
- Physiologic
- Coagulopathy
- Ovulatory dysfunction
- Endometrial (menses)
- Iatrogenic
- Not yet classified
-
Menorrhagia
- Abnormally long or heavy menses
- Last >7 days or >80 mL of blood loss
-
Metrorrhagia
- Frequent or irregular menses
-
Menometrorrhagia
- Heavy, irregular menstruation
-
Dysmenorrhea
- Pain with menses
-
Etiologies
- Endometriosis
-
Polymenorrhea
- <21-day cycle
-
Oligomenorrhea
- >35-day cycle
-
Etiologies
- Thyroid disease
- Hyperprolactinemia
- Non-classic congenital adrenal hyperplasia
- Androgen secreting tumor
- Cushing's disease
-
Amenorrhea
- Absent menses
-
Primary amenorrhea
- Lack of menses by age 13 with no secondary sex characteristics OR no menses by age 16 regardless of secondary sex characteristics
- Etiologies
- Chromosomal abnormalities
- 50%
- Turner's syndrome
- Hypothalamic dysfunction
- 20%
- Female Athlete Triad
- Amenorrhea/oligomenorrhea
- Osteoporosis/osteopenia
- Eating disorders
- Kallman's syndrome
- Anorexia
- Functional hypothalamic amenorrhea
- Absence of reproductive tract structures
- 15%
- Mayer-Rokitansky-Kuster-Hauser (MRKH) Syndrome
- Absence of uterus, cervix, and/or vagina
- Normal pubic hair
- Etiology
- Mullerian agenesis
- Membrane across vaginal opening
- 5%
- Transverse vaginal septum
- Imperforate hymen
- Pituitary disease
- 5%
- Other (PCOS, CAH, androgen insensitivity, hypothyroidism)
- 5%
- Primary amenorrhea with XY genotype
- Swyer syndrome
- Female secondary sex characteristics in an XY individual
- Etiology
- Gonadal dysgenesis due to lack of testes-determining factor
- 5-alpha reductase deficiency
- Natural History
- Ambiguous genitalia until puberty
- Puberty
- Growth and masculinization of external genitalia
- Normal internal genitalia
- Etiology
- Deficienct conversion of testosterone to DHT
- Androgen insensitivity syndrome
- Etiology
- Deficient/absent response of body cells to testosterone
-
Secondary amenorrhea
- Etiologies
- Ovarian disease
- 40%
- Primary Ovarian Insufficiency
- Chemotherapy
- Galactosemia
- Fragile X premutation
- Hypothalamic dysfunction
- 35%
- Exercise-induced hypothalamic dysfunction
- Functional hypothalamic amenorrhea
- Anorexia
- Pituitary disease
- 19%
- Sheehan syndrome
- Amenorrhea
- Poor lactation
- Cold intolerance
- Etiology
- Pituitary ischemic infarct secondary to blood loss during/after childbirth
- Macroadenoma
- Hyperprolactinemia
- Uterine disease
- 5%
- Asherman's Syndrome
- Characterized by adhesions/synechiae and/or fibrosis of the endometrium
- Trauma
- Most commonly associated with dilation and curettage of the intrauterine cavity
- Treatment
- Surgical excision
- Hormone therapy
- Other (thyroid disease)
- 1%
- Polycystic Ovarian Syndrome
- Amenorrhea/oligomenorrhea
- Enlarged, bilateral cystic ovaries
- Hyperandrogenism
- Hirsutism
- fertility
- Acne
- Insulin resistance
- Treatment
- Weight reduction
- Oral contraceptives
- Clomiphene citrate
- Ketoconazole
- Spironolactone
- Metformin
- Most common cause of oligomenorrhea
-
Blind or Absent Vagina
-
Symptoms of obstructed menses
- Imperforate Hymen
- Transverse vaginal septum
- Can be distuished by asking patient to bear down
- Imperforate hymen should bulge out because it is thinner
-
Asymptomatic
- Mullerian agenesis (MRKH syndrome)
- Androgen insensitivity syndrome
- Can be distinguished by presence/absence of pubic hair
- Normal pubic hair in Mullerian agenesis
- Scant/absent pubic hair in Androgen Insensitivity syndrome
-
Obstruction of Fallopian Tube
- Proximal
-
Distal
- Hydrosalpinx
- Filled with clear, serous fluid
- Pyosalpinx
- Filled with pus
- Hematosalpinx
- Filled with blood
- Appears distended on hysterosalpingogram
-
Infertility
-
Male Infertility
- Azoospermia
- Absence of sperm in semen
- Non-obstructive azoospermia
- Absence of sperm in semen due to abnormal production
- Pre-testicular azoospermia
- Hormonal dysfunction
- Testicular azoospermia
- Testicular failure
- Varicocele
- Obstructive (post-testicular) azoospermia
- Congenital Bilateral Absence of the Vas Deferens (CBAVD)
- CFTR mutations in cystic fibrosis
- Affects 98-99% of male CF patients
- Ejaculatory Duct Obstruction
- Vasectomy
- Aspermia
- Klinefelter's syndrome
- (47,XXY) male
- Tall, long extremities
- Eunuchoid body habitus
- Gynecomastia
- Female hair distribution
- Dysgenesis of seminiferous tubules
- Inhibin B
- FSH
- Abnormal Leydig cell function
- testosterone
- LH
- estrogen
- Retrograde ejaculation
- Ejaculatory Duct Obstruction
- Oligospermia
- < 20 million sperm/mL of semen
- Low sperm count
- Ejaculatory Duct Obstruction
- Asthenospermia
- sperm motility
- Teratospermia
- Abnormal morphology of sperm
-
Chadwick's Sign
- Bluish tint to cervix
-
Hegar's Sign
- Softening of the cervix
- Cervical dilation
- Cervial effacement
- Hot flashes
- Vaginal atrophy
- Sleep disturbances
- Osteoporosis
- Coronary artery disease
-
Dyspareunia
- Difficult or painful sexual intercourse
-
Etiologies
- Estrogen
- Menopause
- Local estrogen therapy
-
Sexual activity
-
Etiologies
- Lack of a partner
-
Pulmonary Edema
-
Etiologies
- Preeclampsia
-
Cerebral or visual symptoms
-
Etiologies
- Preeclampsia
-
Proteinuria
-
Etiologies
- Preeclampsia
-
Hypertension
-
Etiologies
- Preeclampsia
-
Abnormal 1st trimester vaginal bleeding
-
Etiologies
- Subchorionic hemorrhage
- Cervical/vaginal trauma
- Early pregnancy loss
- Ectopic pregnancy
- Molar pregnancy
- Placental implantation bleeding
- Loss of estrogen production
-
Diagnostics and Workup
-
Endometrial Sampling
- Biopsy
- Dilation and curettage (D&C)
-
Labs
-
FSH
- Abnormally elevated
- Abnormally decreased
- Physiologically elevated
- Menopause
-
Urinary Ovulation Predictor test
- Measures LH in urine
- beta-hCG
- TSH
- Prolactin
- Testosterone
- 17-hydroxyprogesterone
-
Estrogen
- Abnormally decreased
- FSH
- Hypothalamic dysfunction
- Pituitary dysfunction
- Physiologically decreased
- Menopause
-
Platelets
- Abnormally decreased
- Preeclampsia
-
Creatinine
- Abnormally elevated
- Preeclampsia
-
Transaminases
- Abnormally elevated
- Preeclampsia
-
Imaging Techniques
-
Hysterosalpingogram
- X-ray or fluroscopy with contrast of uterine cavity and Fallopian tubes
-
Dual-energy X-ray Absorptiometry (DEXA)
- T-score
- T-score <= -2.5
- Osteoporosis
- T-score -1 to -2.5
- Osteopenia
- T-score >= -1
- Normal
- Z-score
-
Ovarian Reserve Testing
- Evaluate the capacity of ovary to provide viable eggs
-
Methods
- Measure FSH levels
- Measure Anti-Mullerian hormone levels
- Count the number of 2-9 mm diameter antral follicles iwth ultrasound
-
Genetic Testing
- Karyotype
-
Microarray
- Array comparative genomic hybridization (aCGH)
- Detects copy number variations (CNVs)
- SNP array
- Detects single nucleotide polymorphisms (SNPs)
- Next-generation sequencing
-
Pre-implantation Genetic Diagnosis (PGD)
- Identifies specific defects
-
Pre-implantation Genetic Screening
- Identifies aneuploid embryos
-
Genetic amplification
- Whole Genome Amplification
- Technique used to increase amount of a limited DNA sample
- Real-time qPCR
-
Workup of suspected amenorrhea
-
beta-hCG (pregnancy)
Progestin challenge
TSH (hypo/hyperthyroidism)
FSH (ovarian failure)
Prolactin (Hyperprolactinemia)
Karyotype (Turner's syndrome)
Testosterone (PCOS)
Dexamethasone test (Cushing's disease)
17-hydroxyprogesterone (non-classical congenital adrenal hyperplasia)
Hysteroscopy (outflow obstruction)
- Withdrawal bleed in progestin challenge
Normal prolactin and TSH
- Anovulation
- Withdrawal bleed in progestin challenge
-
Estrogen and progestin cycle
- Withdrawal bleed
- Hypoestrogenism
- Obtain MRI of pituitary gland
- Withdrawal bleed
- End organ process
- Nonreactive endometrium
- Uterine Outflow Tract obstruction
-
Workup of infertility
-
Semen analysis
- Volume
- Liquefaction time
- Sperm count
- Sperm motility
- Sperm morphology
- pH
- WBC count
- Fructose level
-
Workup of Preterm Labor
-
Vaginal swab
- Fetal fibronectin
- Suggests preterm labor
- Rules out preterm labor
- Crystallization (after evaporation)
- Suggests rupture of membranes
- Suggests no rupture of membranes
-
Workup of suspected early pregnancy loss
-
Ultrasound
- Detect structural abnormalities
-
beta-hCG
- Determine pregnancy status
-
The Expanded Gravita/Para System
-
G(x)
- x = # of pregnancies
- Includes current pregnancy
-
P(abcd)
- a = # of term deliveries
- b = # of preterm deliveries
- c = # of aborted pregnancies
- d = # of live births
-
Antepartum Care
-
Screening
-
Nonstress Test
- Measures fetal heart rate (cardiotocography) and uterine contraction over 40 minute window
- Interpretation
- Reactive (normal)
- 2 or more fetal heart rate accelerations within a 20 minute period
- Nonreactive
- <2 fetal heart rate accelerations with a 20 minute period
-
Fetal ultrasound
- Measures amniotic fluid volume
- Measures fetal tone
- Detects gross body movement
- Detects fetal breathing movements
-
Contraction Stress Test
- Measures fetal tolerance to uterine contractions during delivery
- Interpretation
- Negative (normal)
- Positive
- Fetal heart rate decelerations
- Suggest poor fetal oxygenation
-
Labs
- Complete blood count (CBC)
- Blood type, RH status and antibody screen
- STD screen (including HIV)
- Rubella titer/Varicella
- Group B Strep testing
- Aneuploidy testing
- Routine
- Optional
- Routine
- Optional
-
Kick Counts
- Measured at 32 weeks
- Interpretation
- Normal: >= 10 kicks/hour for 3 hours in a day
- Follow-up with non-stress test and/or biphysical profile if results are not reasssuring
-
Tracking Fetal Growth
- Measure fundal height
- Distance from pubic symphysis to top of uterus
- Should roughly equal weeks of gestation in centimeters (between 18-36 weeks)
-
Genetic screening
- Autosomal recessive disorders
- Indicated only after parents are confirmed carriers
- General population screening
- Cystic Fibrosis
- Fragile X Syndrome
- Spinal muscular atrophy
- Population-based Carrier Screen Recommendations
- Hemoglobinopathies
- African
- Southeast Asian
- Mediterranean
- Lysosomal Storage Diseases
- Tay-Sachs Disease
- Ashkenazi Jews
-
Amniocentesis
- Transabdominal sampling of amniotic fluid
- FISH, karyotype, or culture of floating fetal cells
- Genetic diagnosis
- Patau Syndrome (Trisomy 13)
- Down Syndrome (Trisomy 21)
- Edwards Syndrome (Trisomy 18)
- Fragile X Syndrome
- Inborn Errors of Metabolism
- Detection of neural tube defects
- Measure level of alpha-fetoprotein
- Interpretation
- alpha-fetoprotein suggests neural tube defect
- Estimation of lung maturity
-
Chorionic villus sampling (CVS)
- Transcervical or transabdominal sampling of chorionic villi
- FISH or culture of trophoblastic cells
-
Percutaneous umbilical blood sampline
- Diagnosis of fetal RBC alloimmunization (Rh reaction)
-
Cell-free Fetal DNA testing
- Detects aneuploidy
- Not sensitive/specific enough to be considered diagnostic
-
2nd Trimester Quad Screen
- alpha-fetoprotein
- beta-hCG
- estriol
- inhibin A
-
Biophysical Profile of Pregnancy
- Score <= 6/10
- Delivery should be considered
- Score <= 2/10
- Delivery should be performed
- Considered the gold standard (>99.9% accuracy)
-
Estimated Date of Confinement (Due Date)
- 40 weeks from previous menstrual period
- 40 week gestation as determined by ultrasound imaging
-
Nutritional Considerations
-
Calcium and iron are major minerals needed by fetus
- Adequate dietary calcium intake is generally sufficient
- Iron supplementation is necessary
-
Emesis Gravidarum (Morning Sickness)
-
Treatment
- Doxylamine
- Pyridoxine
- Avoidance of food triggers
- Frequent, small meals
- Occurs in 70% of pregnancies
-
Hypertension in Pregnancy
-
Chronic hypertension
- Hypertension before pregnancy or < 20 weeks of gestation / >12 weeks postpartum
- Gestational Hypertenstion
-
Preeclampsia
- Diagnostic Criteria
- BP > 140/90 mmHg
- Proteinuria >= 300 mg/24 hours
- Protein/creatinine >= 0.3
- Urine dipstick protein >= 1
- Management of Preeclampsia
- Short-term Management
- Management of HELLP Syndrome
- >= 34 weeks of gestation
- Immediate delivery of fetus (after maternal stabilization)
- < 34 weeks of gestation
- Delay delivery <= 48 hours for administration of steroids
- Long-term Management
- Patients should receive yearly cardiovascular and metabolic assessments
- Severe preeclampsia
- Diagnostic Criteria
- Systolic BP >= 160 mmHg
- Diastolic BP > 110 mmHg
- End-organ damage
- 2 measurements > 4 hours apart
- 2 measurements > 4 hours apart
-
Special Considerations
-
Patients with hypertension
- Strict blood pressure control
- Pharmacological treatment
- Calcium channel blockers or beta-blockers
- ACE-Is are contradindicated
-
Patients with heart failure
- High-risk time points
- 32 weeks
- Peak cardiac output during pregnancy
- During labor
- Spike in cardiac output (due to stress/exertion)
- Immediately postpartum period
- Uterine vessels clamp down to return blood to maternal circulation
-
Labor and Delivery
-
Preterm Labor and Delivery
-
Prevention of Preterm Labor
- Indications
- History of preterm labor
- Short cervix
- Cervical insufficiency
- Treat with progesterones
- Treat with cervical cerclage
-
Clinical Signs of Preterm Labor
- >= 6 conctrations/hour
- Progressive cervical change
- Cervical dilation
- Cervical effacement
- Fetal fibronectin on vaginal swab
- Suggests preterm labor
- Rules out preterm labor
-
Pharmaceutical Management of Preterm Labor
- Tocolytic drugs
- Initial administration
- Repeat administration
- Contraindicated in patients with premature rupture of membranes
- Risk of cerebral palsy with > 1 repeat administration
- Anitbiotics
- Steroids
- Should be administered 1-7 days before delivery for optimal benefit
-
Risk Factors for Preterm Birth
- Multiple gestation pregnancies (twins, triplets, etc.)
- Uterine distention and other factors
- Associated with IVF treatment
- Reproductive tract anatomic abnormalities
- Low socioeconomic status
- Poor nutrition
- Lack of prenatal care
- Smoking
- Young age or older age
- Infection
- Assisted reproductive technology
-
Management of Severe Preeclampsia in Preterm Infants
- Immediate delivery (after maternal stabilization) if >34 weeks
- Close monitoring and delivery if maternal complications if 24-32 weeks
-
Delivery Techniques
-
Vertex
- External Cephalic
-
Nonvertex (Vaginal Breech Extraction)
- Internal Podalic
-
Cesarean Section
- Low Transverse Cesarean
-
Complications of Labor and Delivery
- Hemorrhage
-
Management of Menopause
-
Major Sequelae of Ovarian Failure
- Vasomotor symptoms (hot flashes)
- Urogenital atrophy
- Osteoporosis
- Breast changes
- Sense of well-being
-
Indications for treatment of low bone density
- Osteoporotic fracture
- Osteoporosis (T-score < -2.5)
- Osteopenia (T-score < -1) and > 20% fracture risk at 10 years (>3% hip risk)
- Hormonal Therapy for Menopause
- Contraception
-
Termination of Pregnancy
-
Methods of Inducing Abortion
- Medication Abortion
-
Dilation and Curettage with Vacuum Suction
- Manual suction
- Electric suction
- Dilation and Evacuation
-
Induction Abortion
- Misoprostol
- Mifepristone
- Common side effects
- Low grade fever
- Nausea and vomiting
- Diarrhea
- Chills
- Abdominal pain
- Major causes of morbidity and mortality
- Infection
- Hemorrhage
- Incomplete abortion
- Mechanical Injury
- Anesthetic complications
-
Access to Abortions
- Mandatory 72 hour waiting period
- Mandatory parental consent for minors
- Medicaid does not cover elective abortions
-
Multiple Gestations
- Dizygotic
- Monozygotic
-
Timeline of Twinning and Placentation
-
Days 1-4
- Diamnionic dichorionic (DiDi)
- "Twin Peak" or lambda sign on fetal ultrasound
-
Days 4-8
- Diamnionic monochorionic (DiMo)
- "T sign" on fetal ultrasound
-
Days 8-12
- Monoamnionic monochorionic (MoMo)
-
Days 12-16
- Conjoined
-
Physiologic Differences from Singleton Gestation
- Larger increase in blood volume
- Larger increase in cardiac output
- Larger increase in heart rate
- Larger decrease in blood pressure
-
Prenatal Management in Multiple Gestation Pregnancies
-
Prenatal Diagnostic Tests
- Serum Screening
- Nuchal Translucency Measurement
- Chorionic Villus Sampling
- Amniocentesis
- Higher risk of pregnancy loss compared to singletons
-
Nutrtional and Dietary Recommendations
- Daily caloric intake
- Weight gain per week
- Iron and folate intake
- Blood pressure monitoring
- fetal ultrasounds
- Non-stress tests or biophysical profiles
-
Labor and Delivery
-
Dichorionic Twins
- Ideally delivered at 38 weeks
- Delivery sequence
- 1st baby
- 2nd baby
- Placentas 1 and 2
-
Monochorionic Twins
- Admit at 28-30 weeks and administer steroids
- Ideally delivered between 32-36 weeks
-
Complications of Multiple Gestation Pregnancies
-
Major Increased Maternal Risks
- Gestational diabetes
- Placental abruption
- Anemia
- Post-partum hemorrhage
- Pre-eclampsia
-
Major Increased Fetal Risks
- Preterm labor rate
- average birth weight
- rate of NICU admission
- Risk of aneuploidy
- Handicap/cerebral palsy risk
- risk of death in 1st year
-
Risks to surviving twin if co-twin is lost
- 1st trimester
- No increased risk
- 2nd trimester
- Risk
- 3rd trimester
- Risk
- Even higher if monochorionic (vs. dichorionic)
-
Twin-Twin Transfusion Syndrome (TTTS)
- Quintero Staging System
- Ultrasoud Parameter
- Amniotic fluid discordance
- Fetal Bladder
- Abnormal Doppler studies
- Hydrops
- Absent cardiac activity
- Criteria
- MVP < 2 cm in donor; MVP > 8 cm in recipient
- Nonvisualization of fetal bladder in donor twin over 60 minutes
- Absent/reversed UA diastolic flow, reversed A wave in ductus venosus, pulsatile flow in UV
- Hydrops in one or both twins
- Fetal demise in one or both twins
- Prognosis
- 75% are stable or regress
- Preinatal loss rate: 70-100%
- Preinatal loss rate: 70-100%
- Preinatal loss rate: 70-100%
- Causes 50% of diamniotic monochorionic twin mortality
- Management of TTTS
- Screen with ultrasound every 2 weeks from week 16 until delivery
- Measure fetal growth with ultrasound every 4 weeks
- Use doppler studies if fetal growth abnormalities or ambiotic fluid discrepancy identified
- Do fetal echocardiogram for all MC/DA twin gestations
- Antenatal surveillance
- Treatment
- Fetoscopic Laser Coagulation
- Amnioreduction
- Selective reduction
- Intentional septostomy
-
Twin Anemia Polycythemia Sequence (TAPS)
- Treatment
- Delivery (depending on gestational age)
- Intrauterine fetal transfusion
- Fetocide
- Repeat Fetoscopic Laser Coagulation
-
Diseases and Disorders
-
Primary Diseases of the Female Reproductive System
-
Congenital Anomalies of the Female Genitalia
-
Congenital Uterine Abnormalities
- Uterine hypoplasia/agenesis
- Unicornuate uterus
- Didelphic uterus
- Complete failure of fusion
- Double uterus, vagina, and cervix
- Prenancy possible
- Bicornuate uterus
- Incomplete fusion of Mullerian ducts
- Increased risk of complicated pregnancy
- Septate uterus
- Common anomaly
- Incomplete resorption of septum
- Decreased fertility
- Septoplasty
- Arcuate uterus
- T-shaped uterus
- Etiology
- Drug-induced
- Diethystilbestrol (DES)
-
Mullerian Agenesis
- Mayer-Rokitansky-Kuster-Hauser (MRKH) Syndrome
- Absence of uterus, cervix, and/or vagina
- Failure of the Mullerian duct to develop
-
Fallopian Tube Dysfunction and Disease
-
Fallopian Tube obstruction
- Hematosalpinx
- Pyosalpinx
- Hydrosalpinx
-
Ovarian Dysfunction and Disease
-
Anovulation
- Lack of progesterone secondary to failure of corpus luteum formation
- Etiologies
- Pregnancy
- Polycystic ovarian syndrome
- Obesity
- HPO-axis abnormalities
- Premature ovarian failure
- Hyperprolactinemia
- Thyroid disorders
- Eating disorders
- Competitive athletes
- Cushing syndrome
- Adrenal insufficiency
- Endometrial breakdown with gland proliferation
-
Poor/diminished ovarian reserve
- Low fertility
- Due to diminished number of oocytes/impaired oocyte development or recruitment
- Natural decline with age
- Genetic ovarian insufficiency
- Autoimmune disease
- Adrenal impairment
- Iatrogenic damage to ovary
-
Ovarian hyperstimulation syndrome
- Occurs in women taking fertility medication to stimulate egg growth
- VEGF levels
- capillary permeability
- Distributive shock
- Enlarged, painful ovaries
- Ascites
- May require paracentesis
-
Ovarian neoplasms
- Hereditary or germline
- Etiology
- Autosomal dominant mutations in DNA mismatch repair genes
- BRCA1
- BRCA2
- Most common adnexal mass in women > 55 years old
- Protective Factors
- Oral contraceptives
- Tubal ligation/Salpingectomy
- Pregnancy
- Breast feeding
- Surface epithelial tumors
- Germ cell tumors
- Sex cord stromal tumors
-
Endometrial Dysfunction and Disease
-
Endometritis
- Acute Endometritis
- Neutrophils
- Chronic Endometritis
- Plasma cells
- More common than acute endometritis
- Etiologies
- Foreign bodies
- Instrumentation
- IUD
- Necrotic/inflamed tissues
- Pelvic inflammatory disease
- Torsed polyp
- Retained products of conception
- Outlet obstruction
- Cervical stenosis
- Myomas
- Endometrial actonomycosis
- Actinomyces israelii
- Sulfur granules
- Associated with IUD implantation
- Antibiotics
- Gentamicin
- Clindamycin
- +/- ampicillin
- Endometriosis
-
Endometrial polyp
- Fibrotic stroma
- Abnormal glands
- Thickened blood vessels
- Endometrial intraepithelial carcinoma
-
Atrophic endometrium
- Histologic features
- Thin endometrium
- Glands lined by single layer of cells
- No mitotic figures
- Sparse glands
- Dense, spindled stroma
- Inactive endometrium due to lack of stimulation by sex hormones
- Post-menopausal patients
- Post-oophorectomy patients
- Drug-induced
- GnRH agonists
-
Endometrial Neoplasms
- Pre-invasive neoplastic processes
- Endometrial hyperplasia
- Postmenopausal uterine bleeding
- Excess estrogen stimulation
- Obesity
- Polycystic Ovary Syndrome
- Estrogen replacement
- WHO Classification
- Simple non-atypical
- 1%
- Simple atypical
- 8%
- Complex non-atypical
- 3%
- Complex atypical
- 29%
- Endometrial intraepithelial carcinoma
- Endometrial Carcinoma
- Postmenopausal uterine bleeding
- Histological Classification
- Endometrioid Adenocarcinoma (Type 1)
- Peri/post-menopausal
- Usually low
- Endometroid, mucinous
- More often superficial
- Usually good
- PTEN activation
- 80%
- Endometrial hyperplasia (hyperplasia pathway)
- Serous adenocarcinoma (Type 2)
- 20%
- TP53 mutation
- Usually poor
- More likely deep
- Serous, clear cell
- Always high
- Post-menopausal
- Endometrial intraepithelial carcinoma (sporadic pathway)
- Treatment of Endometrial Cancer
- Initial Treatment
- Hysterectomy (including tubes and ovaries)
- Pelvic washing
- Lymph node dissection
- Adjuvant Therapy
- Vaginal brachytherapy
- Chemotherapy
- Pelvic radiation
- Most common invasive carcinoma of the female genital tract
- Risk Factors
- Use of estrogen without progestins
- Obesity
- Hypertension
- Nulliparity
- Late menopause
- Diabetes
- Lynch Syndrome
-
Asherman's Syndrome
- Characterized by adhesions/synechiae and/or fibrosis of the endometrium
- Trauma
- Most commonly associated with dilation and curettage of the intrauterine cavity
- Treatment
- Surgical excision
- Hormone therapy
-
Perineal Lacerations
- Associated with vaginal delivery
-
Classification
- 1st degree
- Laceration limited to vaginal mucosa or skin
- 2nd degree
- Laceration also involves subcutaneous tissue
- 3rd deggree
- Laceration also involves sanal sphincter
- 4th degree
- Laceration also involves rectal mucosa
-
Secondary Diseases of the Female Reproductive System
-
Diseases of the Endocrine System
-
Diseases of the Hypothalamic/Pituitary/Ovarian Axis
- Hypothalamic Disease
- Anterior Pituitary Gland Disease
- Hyperpituitarism
- Prolactin-secreting pituitary adenomas
- Treatment
- Dopamine agonists
- Bromocriptine
- Cabergoline
- Surgical excision
- Classification
- Microadenoma
- Macroadenoma
- Hypopituitarism
- Thyroid Disease
- Adrenal Disease
- Gonadal Disease
- Polycystic Ovarian Syndrome
- Hormonal hypothalamic disturbances cause FSH/LH imbalance
- Androgen production by theca cells
- Inhibition of follicular maturation and ovulation
- Premature Ovarian Failure (Primary Ovarian Insufficiency)
- Menopause before age 40
- Estrogen
- FSH and LH
-
Pregnancy-associated Diseases and Disorders
-
Pregnancy with abortive outcome
-
Ectopic pregnancy
- Treatment
- Surgery
- Methotrexate
-
Hydatidiform mole
- Abnormal conception with cystic swelling of chorionic villi and trophoblastic proliferation
- Swollen and edematous villi
- Proliferation of trophoblasts
- hCG-mediated sequelae
- Early preeclampsia
- Theca-lutein cysts
- Hyperemesis gravidarum
- Hyperthyroidism
- Vaginal bleeding
- Greater than expected uterine enlargement
- Pelvic pressure/pain
- Subtypes
- Karyotype
- 46,XX; 46,XY
- 69,XXX; 69,XXY; 69,XYY
- Components
- Enucleated egg fertilized by two sperm
- Enucleated egg fertilized by one sperm + duplication of paternal chromosomes
- Normal ovum fertilized by two sperm
- Normal ovum fertilized by one sperm + duplication of paternal chromosomes
- Fetal Tissue
- Absent
- Present
- Villous edema
- Most villi are hydropic
- Some villi are hydropic and others are normal
- Trophoblastic proliferation
- Diffuse, circumferential proliferation around hydropic villi
- Focal proliferation present around hydropic villi
- hCG
- (but less than complete mole)
- Uterine Size
- Imaging
- "Honeycombed" uterus or "clusters of grapes"/"snowstorm" on ultrasound
- Fetal parts
- Risk of malignancy (gestational trophoblastic neoplasia)
- 15-20%
- < 5%
- Risk of choriocarcinoma
- 2%
- Rare
- Treatment
- (Suction) Dilation and curettage
- Methotrexate
- Post-removal beta-hCG surveillance
-
Abortion (pregnancy loss)
- Spontaneous abortion (miscarriage)
- Choromosomal abnormalities
- Trisomy 16
- Most common trisomal cause of early pregnancy loss
- Trisomy 13
- Trisomy 18
- 45X (Turner's Syndrome)
- Most common chromosomal abnormality in abortuses
- Trisomy 21
- Extremely high loss rate (>95%)
- Fetal loss before 20 weeks of gestation
-
Gestational trophoblastic neoplasia
-
Status of pregnancy
- % of Cases
- 50%
- 25%
- 25%
-
Hydatidiform mole
- Abnormal conception with cystic swelling of chorionic villi and trophoblastic proliferation
- Swollen and edematous villi
- Proliferation of trophoblasts
- hCG-mediated sequelae
- Early preeclampsia
- Theca-lutein cysts
- Hyperemesis gravidarum
- Hyperthyroidism
- Vaginal bleeding
- Greater than expected uterine enlargement
- Pelvic pressure/pain
- Subtypes
- Karyotype
- 46,XX; 46,XY
- 69,XXX; 69,XXY; 69,XYY
- Components
- Enucleated egg fertilized by two sperm
- Enucleated egg fertilized by one sperm + duplication of paternal chromosomes
- Normal ovum fertilized by two sperm
- Normal ovum fertilized by one sperm + duplication of paternal chromosomes
- Fetal Tissue
- Absent
- Present
- Villous edema
- Most villi are hydropic
- Some villi are hydropic and others are normal
- Trophoblastic proliferation
- Diffuse, circumferential proliferation around hydropic villi
- Focal proliferation present around hydropic villi
- hCG
- (but less than complete mole)
- Uterine Size
- Imaging
- "Honeycombed" uterus or "clusters of grapes"/"snowstorm" on ultrasound
- Fetal parts
- Risk of malignancy (gestational trophoblastic neoplasia)
- 15-20%
- < 5%
- Risk of choriocarcinoma
- 2%
- Rare
- Treatment
- (Suction) Dilation and curettage
- Methotrexate
- Post-removal beta-hCG surveillance
-
Choriocarcinoma
- Malignancy of trophoblastic tissue
- Cytotrophoblasts
- Syncytiotrophoblasts
- Hematogenous spread to lungs
- Absence of chorionicvilli
- frequency of bilateral/multiple theca-lutein cysts
- Abnormally increased beta-hCG
- Shortness of breath
- Hemoptysis
-
Chorioamnionitis
- Fever
- Uterine tenderness
- Maternal tachycardia
-
Preeclampsia
-
Disruption of trophoblastic remodeling of spiral arteries
- Abnormal placental spiral arteries
- Endothelial dysfunction
- Vasospasm (vasoconstriction)
- Inflammation
- High blood pressure
- Proteinuria
-
Severe headache
- due to impaired cerebral autoregulation (vasospasm)
-
Complications of Preeclampsia
- Placental abruption
- Coagulopathy
- Renal failure
- Uteroplacental insufficiency
- Eclampsia
- Seizures
- Complications of Eclampsia
- Stroke
- Intracranial hemorrhage
- Adult Respiratory Distress Syndrome
- Can cause maternal death
- Treatment
- Antihypertensives
- IV magnesium sulfate
- Immediate delivery of fetus
- HELLP Syndrome
- Hemolysis
- Elevated liver enzymes
- Low platelets
- Elevated LDH
- Schistocytes on peripheral smear
- Treatment
- >= 34 weeks of gestation
- Immediate delivery of fetus (after maternal stabilization)
- < 34 weeks of gestation
- Delay delivery <= 48 hours for administration of steroids
-
Treatment
- Antihypertensives
- IV magnesium sulfate
- Delivery of fetus
- Risk of recurrence = 40% in patients with severe or early onset preeclampsia
-
Gestational hypertension
- High blood pressure
-
Treatment
- Antihypertensives
- Hydralazine
- alpha-Methyldopa
- Labetalol
- Nifedine
- Delivery of fetus at 37-39 weeks
-
Hyperemesis Gravidarum
-
Etiology
- Hormonal
- hCG
- Progesterone
- Severe nausea and vomiting
- Weight loss
- Dehydration
- Transient hyperthyroidism
-
Treatment
- IV hydration
- Anti-emetics
- Prochlorperazine
- Chlorpromazine
- Promethazine
- Metoclopramide
- Ondansetron
- NPO for 24-48 hours
- Gastric acid suppression
- Enteral tube feeding
- Total parenteral nutrition
-
Associated with pre-existing psychiatric conditions
- Depression
- Anxiety
- Eating disorders
- Conversion disorders
- Placental Abruption
- Placenta Previa
-
Congenital Disorders
-
Chromosomal Abnormalities
-
Aneuploidies
- Patau Syndrome
- Trisomy 13
- Signs and Symptoms
- Severe intellectual disability
- Rocker-bottom feet
- Microphthalmia
- Microcephaly
- Cleft lip/palate
- Holoprosencephaly
- Polydactyly
- Congenital heart disease
- Cutis aplasia
- Edwards Syndrome
- Trisomy 18
- Signs and Symptoms
- Severe intellectual disability
- Rocker-bottom feet
- Micrognathia
- Low-set ears
- Clenched hands with overlapping fingers
- Prominent occiput
- Congenital heart disease
- Down Syndrome
- Trisomy 21
- Meiotic nondisjunction
- 95%
- 47,xx,+21 (females)
47,XY,+21 (males0
- Unbalanced Robertsonian translocation
- 3-4%
- 46,xx,t(14q21q) (females)
47,XY,(14q21q) (males0
- Mosaicism due to post-fertilization mitotic error
- 1-2%
- Signs and Symptoms
- Fetal Features
- Nuchal translucency
- Thickened nuchal fold
- Hypoplastic nasal bone
- Duodenal Atresia
- Congenital heart disease
- Atrioventricular septal defect (endocardial cushin defect)
- Atrial septal defect
- Ventricular spetal defect
- Neonatal Features
- Hypotonia
- Flat facies
- Upslanted palpebral fissures
- Wide space between first 2 toes
- Single palmar crease
- Associated conditions
- Early-onset Alzheimer's Disease
- ALL and AML
- Most common viable chromosomal disorder
- Most common cause of genetic intellectual disability
- 1:700 births
- Sex Chromosome Aneuploidies
- Turner Syndrome
- 45X
- Most common cause of primary amenorrhea
- Anatomic abnormalities
- Short stature
- Ovarian dysgenesis
- Webbed neck
- Cystic hygromas
- Lymphedema
- Bicuspid aortic valve
- Aortic coarctation
- Horshoe kidney
- Yes
- No
- Klinefelter's Syndrome
- 47,XXY
- Dysgenesis of seminiferous tubules
- Inhibin B
- FSH
- Abnormal Leydig cell function
- testosterone
- LH
- estrogen
- Testicular atrophy
- Gynecomastia
- Female hair distribution
- Developmental delay
- No
- Yes
- Common cause of hypogonadism
- XYY Syndrome
- 47,XYY
- Yes
- Yes
- Severe acne
- Learning disorders
- Autism spectrum disorders
- XXXY Syndrome
- 48,XXXY
- Yes
- Yes
- 49, XXXXY Syndrome
- 49, XXXXY
- Yes
- Yes
- Quadruple X Syndrome/Pentasomy X
- 48, XXXX/49, XXXXX
- No
- Yes
-
Neural Tube Defects
-
Neuropores fail to fuse during 4th week of development
- Persistent connection between amniotic cavity and spinal canal
-
Associated with low folate intake before conception and during pregnancy
- Neural tube defects are effectively prevented with daily folate supplementation
-
Spina bifida occulta
- No herniation
- Associated with tuft of hair or skin dimple at level of bony defect
-
Meningocele
- Only meninges herniate through bony defect
-
Meningomyelocele
- Meninges and neural tissue herniate through bony defect
-
Gynecological Neoplasia
- Gestational trophoblastic neoplasia
-
Endometrial neoplasia
- Endometrial carcinoma
- Ovarian neoplasia
-
OBGYN Treatments
-
Vitrification
-
Oocyte vitrification
- Cryopreservation of oocytes
-
Embryo vitrification
- Cryopreservation of spare embryos
- Cervical cerclage
- Caeserean Section (C-section)
- Episiotomy
- Dilation and Curettage
-
Treatment of Neoplasia
-
Treatment of Cervical Cancer
-
Early Treatment
- Microinvasive cervical cancer
- Conization
- Simple hysterectomy
- Invasive cervical cancer
- Radical hysterectomy
- Chemoradiation
-
Treatment of Ovarian Cancer
-
Adjuvant chemotherapy
- Carboplatin
- Paclitaxel (taxols)
-
In Vitro Fertilization (IVF)
- Controlled ovarian hyperstimulation
- Egg retrieval
- Intracytoplasmic sperm inject (ICSI)
- Pronucleus of sperm enters ovum
- Fusion of genetic material
- Embryo transfer
-
Hormonal Therapy for Menopause
-
Indications
-
Relief or prevention of menopausal symptoms
- Hot flashes
- Vaginal atrophy
- Osteoporosis
-
Associated risks
-
Breast cancer
- Progesterone-mediate mechanism
- Endometrial cancer
- Venous thromboembolism
- Coronary heart disease
- Stroke
- Roughly equivalent mortality
-
Formulations
-
Estrogen-only
- Patients without a uterus
- Estrogen + progestin
- Local estrogen therapy (cream, tablet, ring)
-
Contraception
-
Oral Contraceptives (OCPs)
- Most commonly used form of reversible contraception in the US
- Progestins
- Ethinyl estradiol
-
Major Risks of Combined Hormal Contraception
- Venous thromboembolism
- Arterial thrombotic events
- Myocardial infarction
- Cerebrovascular accident
- Hypertension
- Liver adenoma
- Contraindications
- Patients at increased risk of cardiovascular disease
- History of thrombosis
- Hypertension
- Smoking (> 35 years old)
- Migraines (with aura)
- History of/active breast cancer
- Diabetes (with end organ disease)
- Active hepatic disease
- Vaginal Ring
- Transdermal patch
-
Intrauterine Devices (IUDs)
-
Copper IUD
- Mechanism
- Impairment of sperm function
- Produces local inflammation reaction toxic to sperm and ova
- Prevents fertilization and implantation
- Contraindications
- Active pelvic inflammation
- Side effects
- Heavier or longer menses
- Dysmenorrhea
- Risk of PID with insertion
- Indications
- Long-acting reversible contraception
- Emergency contraception
-
Levonorgestrel intrauterine system (LNG-IUS)
- Mechanism
- Releases a small amount of progesterone every day
- Side effects
- Risk of PID with insertion
-
Injectable Depot Medroxyprogesterone Acetate (Depo-Provera)
- Medroxyprogesterone
-
Mechanism
- Releases a small amount of progesterone every day
-
Subdermal Implant
- Etonogestrel
-
Mechanism
- Releases a small amount of progesterone every day
-
Condoms and Diaphragms
-
Mechanism
- Physical blockade between sperm and ova
-
Contraindications
- Latex allergy
- Side effects
-
Sterilization
-
Elective Female Sterilization
- Tubal sterilization
- Mechanism
- Physical blockade between ovary and uterus
- Tubal Ring
- Tubal Clip
- Bipolar Coagulation
- Hysteroscopic occlusion
- Mechanism
- Physical blockade between ovary and uterus
- Essure Micro-Insert
- Major Risks of Female Sterilization
- Surgical complications
- Ectopic pregnancy
- Regret
-
Elective Male Sterilization
- Vasectomy
-
Lactational Amenorrhea
-
Mechanism
- Inhibits ovulation
- Inhibition of GnRH and LH release
-
Emergency Contraception
- Levonorgestrel (pill)
- Ulipristal (pill)
- Copper IUD
- Delay ovulation
- Interferes with sperm function
-
Pharmaceutical Treatments
-
Selective Estrogen Receptor Modulators (SERMs)
-
Clomiphene citrate
- Mechanism
- Inhibition of hypothalamic estrogen receptor
- Reduction of negative feedback on GnRH production
- GnRH secretion
- Side effects
- Hot flashes
- Ovarian enlargement
- Multiple simultaneous pregnancies
- Visual disturbances
- Indications
- Infertility
-
Gonadotropins (human or recombinant)
- Direct stimulation of ovaries
-
Human Chorionic Gonadotropin (hCG)
- Mechanism
- Activation of LHCGR
- Ovulation via LH mimicry
- Indications
- Infertility
- Menotropin
-
GnRH Agonists
-
Leuprolide
- Mechanism
- Indications
- Infertility
- Uterine fibroids
- Endometriosis
- Precocious puberty
- Prostate cancer
-
FSH Analogues
- Recombinant FSH
-
Tocolytics
-
Magnesium sulfate
- Mechanism
- Indications
- Preterm labor
- First line treatment for gestational ages < 30 weeks
- Protects from cerebral palsy
- Contraindications
- Cautious use in patients with renal impairment
-
Calcium channel blockers
- Nifedipine
- Mechanism
- Side effects
- Risk of hypotension if co-administered with magnesium sulfate
- Indications
- Preterm labor
- Contraindications
-
NSAIDs
- Indomethacin
- Mechanism
- Indications
- Preterm labor
- Contraindications
- Side effects
- Amniotic fluid
- Premature ductus arteriosus closure
- Antibiotics
-
Steroids
-
Progestins
- Levonorgestrel
- Medroxyprogesterone
- Etonogestrel
- Norethindrone
- Megestrol
- Mechanism
- Thins endometrium
- Growth
- Vascularization
- Thickens cervical mucus
- Impairs tubal mobility
- Inhibits ovulation
- Inhibition of GnRH and LH release
- Side effects
- Amenorrhea and irregular bleeding (when progestin-only)
- Indications
- Contraception
- Progestin-only
- Progestin-only pill
- Injectable Depot Medroxyprogesterone Acetate (Depo-Provera)
- Levonorgestrel intrauterine system (LNG-IUS)
- Subdermal Implant
- Progestin and estrogen
- Combined oral contraceptives
- Abnormal uterine bleeding
- Progestin challenge
- Endometrial cancer
- Contraindications
- Breast cancer
- Liver disease
-
Estrogen
- Mechanism
- Suppression of ovarian hormone production
- Side effects
- Indications
-
Bisphosphonates
- Alendronate, ibandronate, risedronate, zoledronate
-
Mechanism
- Inhibit osteoclast activity
-
Side effects
- Short-term
- Esophagitis/gastritis
- Osteonecrosis of jaw
- Long-term
- Atypical stress fractures (chalky bone phenomenon)
-
Indications
- Osteoporosis
- Hypercalcemia
- Paget disease of bone
- Metastatic bone disease
- Osteogenesis imperfecta
-
Selective Estrogen Receptor Modulators (SERMs)
-
Tamoxifen
- Mechanism
- Estrogen receptor antagonist in breast and agonist in bone
- Blocks binding of estrogen to ER+ cells
- Partial agonist in endometrium
- risk of endometrial cancer
- Side effects
- Associated risks
- Endometrial cancer
- Thromboembolic events
- Deep vein thrombosis
- Pulmonary embolism
- Indications
- Osteoporosis
- Breast cancer treatment and prevention
-
Raloxifene
- Mechanism
- Estrogen receptor antagonist in breast and agonist in bone
- Blocks binding of estrogen to ER+ cells
- Antagonist in endometrium
- No increased risk of endometrial cancer
- Side effects
- Associated risks
- Thromboembolic events
- Deep vein thrombosis
- Pulmonary embolism
- Indications
- Osteoporosis
-
Antiprogestins
-
Mifepristone
- Indications
- Termination of pregnancy
-
Ulipristal
- Indications
- Emergency contraception
-
Mechanism
- Competitive inhibitors of progestins at progesterone receptors
-
PGE1 Analogues
- Misoprostol
-
Mechanism
- Stimulation of myometrial contractions
- Cervical ripening
-
Side effects
- Diarrhea
-
Indications
- Labor induction
- Abortion
- Post-partum bleeding
- Gastric ulcer prevention
-
Contraindications
- Pregnancy
-
Antifolates
- Methotrexate
-
Mechanism
- Competitive inhibition of dihydrofolate reductase
- Inhibition of DNA, RNA, thymidylates, and protein synthesis
- Side effects
-
Indications
- Ectopic Pregnancy
- Contraindications